# Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board chapter 2 - Water [Latest edition]

## Chapter 2: Water

Let us do [Pages 69 - 71]

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Let us do [Pages 69 - 71]

Let us do | Q 1 | Page 69

See the given pictures and write down the state of each object. (Solid, Liquid, Gas)

 _____ ______ ______ ______ ______ ______ _______ ______ ______ ______
Let us do | Q 2 | Page 70

Fill in the boxes given below with correct answers.

(Liquid, Solid, Melting, Freezing, Cooling, Heating, Gas)

Change of Status in water

Let us do | Q 3 | Page 71

Write any two water bodies in your area. ____, ____.

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Try to Answer [Page 71]

Try to Answer | Q 1 | Page 71

Why water is a good example for all states of matter?

Try to Answer | Q 2 | Page 71

Which of the following is in a liquid state?

• Rain

• Ice

• Snow

Let us do [Page 71]

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Let us do [Page 71]

Let us do | Q 1 | Page 71

Fill water in an ice tray and keep it in the freezer.
After few hours, take it out. What happened to the water?

Let us do | Q 2 | Page 71

Now keep this ice tray on a table for some time.
What happens to the ice?

Let us do | Q 3 | Page 71

Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Think and answer [Page 72]

Think and answer | Q 1 | Page 72

What happens to the water in a wet cloth?

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Try to Answer [Page 72]

Try to Answer | Q 1 | Page 72

In the water cycle _____

• only evaporation is involved

• only condensation is involved

• evaporation and condensation are involved

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Try to Answer [Page 73]

#### fill in the blanks.

Try to Answer | Q 1 | Page 73

Unscramble the words and fill in the blanks.

• ondencsaonti ______
• vaeionorpat ______
• ecippitatrino ______
Try to Answer | Q 2 | Page 73

Is water cycle important for farming? _______

Try to Answer | Q 3 | Page 73

Why is water cycle important to human?

Try to Answer | Q 4 | Page 73

Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink. _______

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Try to Answer [Page 74]

Try to Answer | Q 1 | Page 74

List out some other benefits of rain water harvesting.

Try to Answer | Q 2 | Page 74

Suggest some ideas to save rainwater in your school.

Let us do [Page 74]

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Let us do [Page 74]

Let us do | Q 1 | Page 74

Rain water harvesting has an important role to protect our environment.

Evaluation [Pages 75 - 76]

### Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board Chapter 2 Water Evaluation [Pages 75 - 76]

Evaluation | Q I. 1. | Page 75

Water is the most ________ resource on the Earth.

• precious

• solid

• gas

Evaluation | Q I. 2. | Page 75

Water exists in ____ states.

• two

• three

• four

Evaluation | Q I. 3. | Page 75

At temperature below _______ water freezes to form ice.

• 10º C

• 100º C

• 0º C

Evaluation | Q I. 4. | Page 75

______ is the process by which water becomes water vapour.

• Condensation

• Evaporation

• Freezing

Evaluation | Q I. 5. | Page 75

Which controls the ecological functions of life?

• Bicycle

• Water cycle

• Recycle water

#### Fill in the blanks with suitable answer.

Evaluation | Q II. 1. | Page 75

Water is converted into _______ when it is heated

• ice cube

• water vapour

Evaluation | Q II. 2. | Page 75

Water becomes ice on ______.

• heating

• Freezing

Evaluation | Q II. 3. | Page 75

Water droplets Combines to forms _____.

• rain

• clouds

Evaluation | Q II. 4. | Page 75

Water cycle increases the availability of _______.

• water tank

• ground water

Evaluation | Q II. 5. | Page 75

_____ is a type of rainwater harvesting.

• Roof top harvesting

• Watercycle

#### Write True or False.

Evaluation | Q III. 1. | Page 75

Water is a good example for all states of matter.

• True

• False

Evaluation | Q III. 2. | Page 75

Water cycle controls Earth‛s temperature.

• True

• False

Evaluation | Q III. 3. | Page 75

Water becoming water vapour on heating is called evaporation.

• True

• False

Evaluation | Q III. 4. | Page 75

37% of our brain‛s mass consists of water.

• True

• False

Evaluation | Q III. 5. | Page 75

Roof top harvesting method is used in the agriculture field.

• True

• False

Evaluation | Q IV. 1. | Page 76

Write the states of water.

Evaluation | Q IV. 2. | Page 76

What is freezing?

Evaluation | Q IV. 3. | Page 76

Name the processes involved in the water cycle.

Evaluation | Q IV. 4. | Page 76

Which state government made rain water harvesting mandatory in the year 2001?

Evaluation | Q IV. 5. | Page 76

What is needed to construct a rain water harvesting pit?

Evaluation | Q V. 1. | Page 76

What is water cycle? Write any three importances of water cycle.

Evaluation | Q V. 2. | Page 76

What is rain water harvesting? List out the advantages of rain water harvesting.

Evaluation | Q VI. | Page 76

Colour the given picture and write the correct name in the given blanks.

(Precipitation, Evaporation, Condensation, Water storage)

## Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board chapter 2 - Water

Samacheer Kalvi solutions for Science Term 2 - Class 4th Tamil Nadu State Board chapter 2 (Water) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Science Term 2 - Class 4th Tamil Nadu State Board solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Samacheer Kalvi textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Science Term 2 - Class 4th Tamil Nadu State Board chapter 2 Water are Fresh Water Management, Water, Our Lifeline, Change in State of Water, Importance of Water Cycle, Water Cycle, States of Matter, The Solid State, The Liquid State, The Gaseous State.

Using Samacheer Kalvi Class 4th solutions Water exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 4th prefer Samacheer Kalvi Textbook Solutions to score more in exam.

Get the free view of chapter 2 Water Class 4th extra questions for Science Term 2 - Class 4th Tamil Nadu State Board and can use Shaalaa.com to keep it handy for your exam preparation